... :FOB or EXW 4:this products will use cleaning medical products name : channel brush cleaning brush nylon brushproducts detail : Bottom width: 2.2 ... Foundation: stainless steel plate, electrolytic plate and galvanized sheet Applicable brush: copper and steel wires, hair of pig, horse, sheep ... and other animals or plants Brush material: PA,PBT,PP,PE,PET,PVC Brass ,steel wire ...